Joint Venture (Other Income Related JV) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Schedule Of Equity Method Investments [Line Items]
Other income	$ 36,846	$ 18,193	$ 11,366
Woodward and General Electric Joint Venture [Member]
Schedule Of Equity Method Investments [Line Items]
Other income	$ 36,846	$ 18,193	$ 11,366